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■ DESCRIPTION

The MB89860/850 series has been developed as a general-purpose version of the F2MC*-8L family consisting of proprietary 8-bit, single-chip, microcontrollers.

In addition to the F2MC-8L CPU core which can operate at low voltage but at high speed, the microcontrollers contain a variety of peripheral functions such as a timer unit, PWM timers, a UART, a serial interface, a 10-bit A/D converter, and an external interrupt.

The MB89860/850 series is applicable to a wide range of applications from welfare products to industrial equipment, including portable devices.

■ FEATURES

? Various package options

QFP package (80 pins): MB89860

SDIP package (64 pins): MB89850

? High-speed processing at low voltage

Minimum execution time: 0.4 μs/3.5 V, 0.8 μs/2.7 V

? F2MC-8L family CPU core

Instruction set optimized for controllers

Multiplication and division instructions

16-bit arithmetic operations

Test and branch instructions

Bit manipulation instructions, etc.

? 8-bit PWM timers: 2 channels

Also usable as a reload timer

? UART

Full-duplex double buffer

Synchronous and asynchronous data transfer

? 8-bit serial I/O

Switchable transfer direction allows communication with various equipment.

? 10-bit A/D converter

Conversion time: 13.2 μs

Activation by an external input or a timer unit capable

? External interrupt: 4 channels

Four channels are independent and capable of wake-up from low-power consumption modes (with an edge detection function).

? Low-power consumption modes

Stop mode (Oscillation stops to minimize the current consumption.)

Sleep mode (The CPU stops to reduce the current consumption to approx. 1/3 of normal.)

? Bus interface functions

Including hold and ready functions

? Timer unit

Outputs non-overlap three-phase waveforms to control an AC inverter motor.

Also usable as a PWM timer (4 channels)